27690040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{98893}}^1$

素因数の和:98911

約数の個数: 32

約数和(自身を含む): 71203680

約数和(自身を除く): 43513640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 98893, 197786, 395572, 494465, 692251, 791144, 988930, 1384502, 1977860, 2769004, 3461255, 3955720, 5538008, 6922510, 13845020, 27690040]

約数ペア:

[(1, 27690040), (2, 13845020), (4, 6922510), (5, 5538008), (7, 3955720), (8, 3461255), (10, 2769004), (14, 1977860), (20, 1384502), (28, 988930), (35, 791144), (40, 692251), (56, 494465), (70, 395572), (140, 197786), (280, 98893)]